SecondLife SLURL to Viewer URI
This add-on transforms SecondLife SLURLs to direct SecondLife URI links, this increases your productivity since you don't have to open a new tab, click a button inside and close it. Now you just click and go to the destinations you'd like to go!
20 users
Screen Sizer
Screen Sizer allows you to size up your website's appearance on different mobile devices. Test responsiveness and design elements for optimal performance.
20 users
MatchThreadder request generator
Create a /u/Matchthreadder reddit match thread request for a match listing on ESPN
20 users
Multi Search Engine
Ever wondered if you could search through a website before even opening it. This web extension allows you to search in a desired website through your address bar. All you need to do is type ms to initiate the addon.
20 users
Youdao Eudic wordbook highlight
highlight the youdao and eudic dictionary new words book content
20 users
Fennec
Manage your Mixin Messenger accounts without download apps. Inject accounts and allows sign transactions for a specific account.
20 users
YouTube Resolution Lock
Automatically set your preferred video quality for all YouTube videos
20 users
WHOIS Check
This addon will check if domain of opened url, is registered within last 12 months. And will notify the user with an icon besides url. By clicking the icon, user can proceed or stop & go to duckduckgo.
20 users
Tabs Tools
This add-on adds tabs tools in the right-click context menu when you right-click inside a page. New Tab, Duplicate Tab * This add-on works best with the "Open Tabs Next to Current" add-on
20 users
Simply Copy-Paste Notepad
A simple Copy-Paste Notepad for making copy-pasting the same thing easy. Saves text values and allows you to copy them to the clipboard.
20 users
Atcoder Task Extension
An Atcoder extension to add some missing features like task status and solve count which are present in Codeforces
20 users
GNU LibreJS
GNU LibreJS aims to address the JavaScript problem described in Richard Stallman's article The JavaScript Trap. It is a free add-on for Mozilla browsers. It blocks nonfree nontrivial JavaScript while allowing JavaScript that is free and/or trivial.
20 users
Jira Bugzilla Sync Companion
Supplements the Jira Bugzilla Integration with in-browser assistance.
20 users
Explain XKCD
Get a quick explaination for the current XKCD comic by clicking the question mark in the address bar.
20 users
Sexy LCD clock
Firefox 57+ compatible awesome LCD clock extension which is showing on the top-right of your screen. Features: 1. It ticks every hour/half-hour 2. It disappears when you hovering cursor on it
20 users
